A team of Aussie scientists from the University of Wollongong have developed a device that allows a person to control their TV and possibly other home entertainment devices via hand gestures.
A small box with a camera watches for the movements, and is claiming to be able to filter out some unintended gestures from children or pets.
For example a simple fist gesture will signal ‘Start’.
Just don’t play a game of rock-paper-scissors in front of it…
More @ http://internationalreporter.com/News-2402/Now,-seven-simple-hand-gestures-to-switch-your-TV-on.html
and @ http://www.engadget.com/2007/07/15/gesture-based-television-control-developed/